G21 G90
G0 Z3.0 ; clearance height should be 3.0
G17
M3 S1000 ; Turn on spindle to 1000 RPM
G0 X10 Y10
G1 F300.0 Z-0.3
X110
Y110
X10
Y10
Z-0.6
X110
Y110
X10
Y10
Z-0.9
X110
Y110
X10
Y10
Z-1.2
X110
Y110
X10
Y10
Z-1.5
X110
Y110
X10
Y10
Z-1.8
X110
Y110
X10
Y10
Z-2.1
X110
Y110
X10
Y10
Z-2.4
X110
Y110
X10
Y10
Z-2.7
X110
Y110
X10
Y10
Z-3
X110
Y110
X10
Y10
Z3.0
X0 Y0
